Cisco IOS XR Routing Configuration Guide for the Cisco CRS Router, Release 4.0
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The Cisco IOS XR Routing Configuration Guide for the Cisco CRS Router preface contains these sections:

Changes to This Document

Table 1 lists the technical changes made to this document since it was first printed.

Table 1 Changes to This Document
Revision Date Change Summary


December 2010

Updated with fast-reroute per-link and fast-reroute per-prefix computation feature for Release 4.0.1


September 2010

Initial release of this document.

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